Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7733466 | Measurement of constitutive properties of a powder subject to compressive axial and radial loading, using optical sensing | Alexander Beltran Bernardo, Arthur Edwin Nicholls, Walter Mac Gray | 2010-06-08 |
| 7683611 | Pipeline inspection using variable-diameter remote-field eddy current technology | Alfred E. Crouch, Albert J. Parvin, Ronald H. Peterson, Todd Goyen, Richard Franklin Tennis | 2010-03-23 |
| 7501814 | Apparatus and method for second-layer through-bushing inspection of aircraft wing attachment fittings using electric current perturbation | Clinton J. Thwing | 2009-03-10 |
| 7469596 | Measurement of constitutive properties of a powder specimen subject to compressive axial and radial loading, using eddy current sensing | Alexander Beltran Bernardo, Arthur Edwin Nicholls, Walter Mac Gray | 2008-12-30 |
| 7459999 | Variable-diameter electromagnetic coil | Albert J. Parvin, Todd Goyen | 2008-12-02 |
| 7154264 | System and method using a collapsable coil for inspection of pipelines having internal restrictions | Alfred E. Crouch, Jay L. Fisher | 2006-12-26 |
| 7038444 | System and method for in-line stress measurement by continuous Barkhausen method | Alfred E. Crouch | 2006-05-02 |
| 6836735 | Method and system for injecting virtual flaw signals into a nondestructive test system | Jay L. Fisher, Ronald H. Peterson | 2004-12-28 |
| 6779409 | Measurement of torsional dynamics of rotating shafts using magnetostrictive sensors | Hegeon Kwun, Cecil M. Teller, II | 2004-08-24 |
| 6775625 | System and method for nondestructive testing simulation | Jay L. Fisher, Eric C. Peterson | 2004-08-10 |
| 6239593 | Method and system for detecting and characterizing mechanical damage in pipelines using nonlinear harmonics techniques | Alfred E. Crouch | 2001-05-29 |
| 6201391 | Nonlinear harmonics method and system for measuring degradation in protective coatings | Hegeon Kwun | 2001-03-13 |
| 5180969 | Detection of reinforcing steel corrosion in concrete structures using non-linear harmonic and intermodulation wave generation | Hegeon Kwun, Jay L. Fisher | 1993-01-19 |
| 4979125 | Non-destructive evaluation of ropes by using transverse impulse vibrational wave method | Hegeon Kwun | 1990-12-18 |
| 4408160 | Acoustic Barkhausen stress detector apparatus and method | James D. King, John R. Barton, George A. Matzkanin | 1983-10-04 |